diff options
Diffstat (limited to 'datapath/linux-2.6/compat-2.6/include/linux/err.h')
| -rw-r--r-- | datapath/linux-2.6/compat-2.6/include/linux/err.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/datapath/linux-2.6/compat-2.6/include/linux/err.h b/datapath/linux-2.6/compat-2.6/include/linux/err.h new file mode 100644 index 000000000..50faf2a11 --- /dev/null +++ b/datapath/linux-2.6/compat-2.6/include/linux/err.h @@ -0,0 +1,21 @@ +#ifndef __LINUX_ERR_WRAPPER_H +#define __LINUX_ERR_WRAPPER_H 1 + +#include_next <linux/err.h> + +#ifndef HAVE_ERR_CAST +/** + * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type + * @ptr: The pointer to cast. + * + * Explicitly cast an error-valued pointer to another pointer type in such a + * way as to make it clear that's what's going on. + */ +static inline void *ERR_CAST(const void *ptr) +{ + /* cast away the const */ + return (void *) ptr; +} +#endif /* HAVE_ERR_CAST */ + +#endif |